Home / 187,341.18-258,530.25-101,299.56

Finding the Fourth Proportional to 187,341.18, 258,530.25 and 101,299.56

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Solution

The fourth proportional to 187,341.18, 258,530.25 and 101,299.56 is: 139,793.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,341.18 : 258,530.25 = 101,299.56 : x
  2. Step 2: Convert to fraction form
    187,341.18/258,530.25 = 101,299.56/x
  3. Step 3: Cross multiply
    187,341.18x = 258,530.25 × 101,299.56
  4. Step 4: Simplify right side
    187,341.18x = 26,189,000,571.69
  5. Step 5: Solve for x
    x = 26,189,000,571.69/187,341.18
  6. Step 6: Final answer
    x = 139,793.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.